package cn.com.msui.controller;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Date;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class BaseController {
	
	@InitBinder
	protected void initBinder(ServletRequestDataBinder binder) throws Exception {
		binder.registerCustomEditor(Date.class, new DateEditor());
		binder.registerCustomEditor(Integer.class, new CustomNumberEditor(Integer.class, true));
	}

	@RequestMapping("index")
	public String index(HttpServletRequest request) {
		String contextPath = request.getContextPath() + "/";
		String requestURI = request.getRequestURI();
		int start = contextPath.length();
		int end = requestURI.lastIndexOf("index");
		String modelPath = requestURI.substring(start, end);
		return modelPath + "index";
	}

	/**
	 * 获取请求的IP地址
	 * 
	 * @param request
	 * @return
	 */
	public String getIpAddr(HttpServletRequest request) {
		String ipAddress = null;
		// ipAddress = this.getRequest().getRemoteAddr();
		ipAddress = request.getHeader("x-forwarded-for");
		if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("Proxy-Client-IP");
		}
		if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("WL-Proxy-Client-IP");
		}
		if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getRemoteAddr();
			if (ipAddress.equals("127.0.0.1")) {
				// 根据网卡取本机配置的IP
				InetAddress inet = null;
				try {
					inet = InetAddress.getLocalHost();
				} catch (UnknownHostException e) {
					e.printStackTrace();
				}
				ipAddress = inet.getHostAddress();
			}

		}

		// 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
		if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
															// = 15
			if (ipAddress.indexOf(",") > 0) {
				ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
			}
		}
		return ipAddress;
	}
}
